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The follow-on priority-based flow control, as defined in the IEEE 802.1Qbb standard, provides a link-level flow control mechanism that can be controlled independently for each class of service (CoS), as defined by IEEE P802.1p and is applicable to data center bridging (DCB) networks, and to allow for prioritization of voice over IP (VoIP ...
Network congestion in data networking and queueing theory is the reduced quality of service that occurs when a network node or link is carrying more data than it can handle. . Typical effects include queueing delay, packet loss or the blocking of new connectio
A LAG is a method of inverse multiplexing over multiple Ethernet links, thereby increasing bandwidth and providing redundancy. It is defined by the IEEE 802.1AX-2008 standard, which states, "Link Aggregation allows one or more links to be aggregated together to form a Link Aggregation Group, such that a MAC client can treat the Link Aggregation Group as if it were a single link."
A link aggregation group (LAG) is the combined collection of physical ports. Other umbrella terms used to describe the concept include trunking , [ 1 ] bundling , [ 2 ] bonding , [ 1 ] channeling [ 3 ] or teaming .
Each unidirectional virtual channel is realized by an independently managed pair of (flit) buffers. Different packets can then share the physical channel on a flit-by-flit basis. Virtual channels were originally introduced to avoid the deadlock problem, but they can be also used to reduce wormhole blocking, improving network latency and throughput.
The speed of light imposes a minimum propagation time on all electromagnetic signals. It is not possible to reduce the latency below = / where s is the distance and c m is the speed of light in the medium (roughly 200,000 km/s for most fiber or electrical media, depending on their velocity factor).
They also have a lower (albeit practically imperceptible) input latency, which results in a slightly more responsive button input and a more stable connection. They also don’t require batteries.
The Ethernet header at the start of the frame contains all the information required to make a forwarding decision, some high-performance switches can begin forwarding the frame to the destination whilst still receiving the frame payload from the sender. This cut-through switching can significantly reduce latency through the switch.